git-annex/Assistant/WebApp/Configurators/XMPP.hs
Joey Hess 4dbdc2b666 Assistant monad, stage 2.5
Converted several threads to run in the monad.

Added a lot of useful combinators for working with the monad.

Now the monad includes the name of the thread.

Some debugging messages are disabled pending converting other threads.
2012-10-29 02:21:04 -04:00

122 lines
3.3 KiB
Haskell

{- git-annex assistant XMPP configuration
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings #-}
{-# LANGUAGE CPP #-}
module Assistant.WebApp.Configurators.XMPP where
import Assistant.WebApp
import Assistant.WebApp.Types
import Assistant.WebApp.SideBar
import Assistant.Alert
import Assistant.DaemonStatus
import Utility.Yesod
#ifdef WITH_XMPP
import Assistant.Common
import Assistant.XMPP
import Assistant.Pushes
import Utility.SRV
#endif
import Yesod
#ifdef WITH_XMPP
import Network
import Network.Protocol.XMPP
import Data.Text (Text)
import qualified Data.Text as T
#endif
{- Displays an alert suggesting to configure XMPP, with a button. -}
xmppNeeded :: Handler ()
xmppNeeded = whenM (isNothing <$> runAnnex Nothing getXMPPCreds) $ do
dstatus <- getAssistantY daemonStatusHandle
urlrender <- getUrlRender
void $ liftIO $ addAlert dstatus $ xmppNeededAlert $ AlertButton
{ buttonLabel = "Configure a Jabber account"
, buttonUrl = urlrender XMPPR
, buttonAction = Just $ removeAlert dstatus
}
getXMPPR :: Handler RepHtml
#ifdef WITH_XMPP
getXMPPR = xmppPage $ do
((result, form), enctype) <- lift $ do
oldcreds <- runAnnex Nothing getXMPPCreds
runFormGet $ renderBootstrap $ xmppAForm $
creds2Form <$> oldcreds
let showform problem = do
let authtoken = webAppFormAuthToken
$(widgetFile "configurators/xmpp")
case result of
FormSuccess f -> maybe (showform True) (lift . storecreds)
=<< liftIO (validateForm f)
_ -> showform False
where
storecreds creds = do
void $ runAnnex undefined $ setXMPPCreds creds
liftIO . notifyRestart =<< getAssistantY pushNotifier
redirect ConfigR
#else
getXMPPR = xmppPage $
$(widgetFile "configurators/xmpp/disabled")
#endif
#ifdef WITH_XMPP
data XMPPForm = XMPPForm
{ formJID :: Text
, formPassword :: Text }
creds2Form :: XMPPCreds -> XMPPForm
creds2Form c = XMPPForm (xmppJID c) (xmppPassword c)
xmppAForm :: (Maybe XMPPForm) -> AForm WebApp WebApp XMPPForm
xmppAForm def = XMPPForm
<$> areq jidField "Jabber address" (formJID <$> def)
<*> areq passwordField "Password" Nothing
jidField :: Field WebApp WebApp Text
jidField = checkBool (isJust . parseJID) bad textField
where
bad :: Text
bad = "This should look like an email address.."
validateForm :: XMPPForm -> IO (Maybe XMPPCreds)
validateForm f = do
let jid = fromMaybe (error "bad JID") $ parseJID (formJID f)
let domain = T.unpack $ strDomain $ jidDomain jid
hostports <- lookupSRV $ mkSRVTcp "xmpp-client" domain
let username = fromMaybe "" (strNode <$> jidNode jid)
case hostports of
((h, PortNumber p):_) -> testXMPP $ XMPPCreds
{ xmppUsername = username
, xmppPassword = formPassword f
, xmppHostname = h
, xmppPort = fromIntegral p
, xmppJID = formJID f
}
_ -> testXMPP $ XMPPCreds
{ xmppUsername = username
, xmppPassword = formPassword f
, xmppHostname = T.unpack $ strDomain $ jidDomain jid
, xmppPort = 5222
, xmppJID = formJID f
}
testXMPP :: XMPPCreds -> IO (Maybe XMPPCreds)
testXMPP creds = either (const $ return Nothing)
(const $ return $ Just creds)
=<< connectXMPP creds (const noop)
#endif
xmppPage :: Widget -> Handler RepHtml
xmppPage w = bootstrap (Just Config) $ do
sideBarDisplay
setTitle "Jabber"
w